200 or 202 counting Jirachi and Deoxys
the 202 Pokemon in hoenn.
You cannot get a Yanma in Pokemon Emerald, as only Hoenn Region Pokemon can be found in Pokemon Emerald.
You are already there. Hoenn is the entire region in Pokemon Ruby/Sapphire/Emerald.
Regigigas is a Sinnoh pokemon. Not a Hoenn.
The Hoenn Region is available in the pokemon versions Ruby, Sapphire, and Emerald.
To complete hoenn pokedex you do not need JIRACHI & DEOXYS at all.you can't get all Pokemon on Pokemon emerald so TRADE or CHEAT !!
emerald has all the Pokemon
386 Pokemon.
You can get Cyndaquill by completing the Hoenn Dex.
Corsola.
You can't.
Hoenn is not in heartgold version, only johto and kanto are in heartgold, hoenn is in emerald